Lab Workers Failed to Follow Proper Safety Protocols While Working With Samples

ATLANTA—About 75 scientists at the Centers for Disease Control and Prevention may have been exposed to live anthrax after lab workers failed to follow proper safety protocols while working with samples of the bacteria, the federal agency said Thursday.

Potentially exposed staff are being given antibiotics and monitored for symptoms of infection, the CDC said in a statement. "Based on most of the potential exposure scenarios, the...